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authorIngo Molnar <mingo@elte.hu>2008-01-06 23:09:53 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-01-06 23:35:56 +0300
commit57a04513cb35086d54bcb2cb92e6627fc8fa0fae (patch)
treed2089bff9abdd2327e317cdfc90834d0bedf95f8 /include/linux/cpu.h
parent3fee37c1e2579ed3d6090f690e5fd8cf7fa3bb44 (diff)
downloadlinux-57a04513cb35086d54bcb2cb92e6627fc8fa0fae.tar.xz
hda_intel suspend latency: shorten codec read
not sleeping for every codec read/write but doing a short udelay and a conditional reschedule has cut suspend+resume latency by about 1 second on my T60. The patch also fixes the unexpected codec-connection errors that happen more often in the new power-save mode: http://lkml.org/lkml/2007/11/8/255 http://bugzilla.kernel.org/show_bug.cgi?id=9332 Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cpu.h')
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